Climatological Report (Daily)
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CDUS46 KSEW 010826
CLISEA


CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1226 AM PST SUN MAR 1 2015


...................................

...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 28 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    408 PM  68    1968  51      3       58
  MINIMUM         38    654 AM  24    1971  38      0       40
                                      1951
  AVERAGE         46                        44      2       49

PRECIPITATION (IN)
  YESTERDAY        0.00          1.46 1972   0.12  -0.12     0.00
  MONTH TO DATE    5.27                      3.50   1.77     6.11
  SINCE OCT 1     25.31                     24.47   0.84    16.80
  SINCE JAN 1      8.93                      9.07  -0.14     9.81

SNOWFALL (IN)
  YESTERDAY        0.0           7.0  1962                   0.0
  MONTH TO DATE    0.0                                       2.9
  SINCE OCT 1      0.8                                       4.0
  SINCE JUL 1      0.8                                       4.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        21     -2       16
  MONTH TO DATE  448                       606   -158      643
  SINCE DEC 1   1663                      2071   -408     2053
  SINCE JUL 1   2503                      3254   -751     3075

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   N (10)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    11.4


SKY COVER
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1200 AM
 LOWEST     32           200 PM
 AVERAGE    54

..........................................................


THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        62      1990
                                             1968
 MINIMUM TEMPERATURE (F)   38        23      1971


SUNRISE AND SUNSET
MARCH  1 2015.........SUNRISE   650 AM PST   SUNSET   554 PM PST
MARCH  2 2015.........SUNRISE   648 AM PST   SUNSET   556 PM PST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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